//初始化获取服务器
void connectToBalanceServer()
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD(1, 1);
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
//printf("WSAStartup failed with error: %d\n", err);
return ;
}
if (LOBYTE(wsaData.wVersion) != 1 || HIBYTE(wsaData.wVersion) != 1) {
//printf("Could not find a usable version of Winsock.dll\n");
WSACleanup();
return ;
}
/*
else
printf("The Winsock 1.1 dll was found okay\n");
*/
SOCKET sockClient=socket(AF_INET,SOCK_DGRAM,0);
//send
SOCKADDR_IN balanceServerAddr;
balanceServerAddr.sin_addr.S_un.S_addr=inet_addr(BalanceServIP);
balanceServerAddr.sin_family = AF_INET;
balanceServerAddr.sin_port = htons(BalanceServPort);
//addrSrv.sin_port = htons(balanceListenPort);
/*
clientConnectRequst cliConReq;
cliConReq.bitRate=bitRate;
cliConReq.flag=1;
cliConReq.frame_rate=frame_rate;
cliConReq.resolution=resolution;
*/
//发送请求设置
clientConnectRequst cliConReq;
cliConReq.bitRate=5000;
cliConReq.flag=FLAG_CLIENT_CONNECT_REQUEST;
cliConReq.frame_rate=5000;
cliConReq.resolution=5000;
cliConReq.reConPort=10001;
cliConReq.channel = channel;
cliConReq.cameraID = cameraID;
//初始频道不正确
if (cliConReq.channel < 1)
{
cout << "频道为0,设置错误" << endl;
isStop = 1;
cin.get();
exit(0);
}
char sendBuf[SEND_TO_BALANCE_SERVER_BUFFER_SIZE];
for(int i=0;i<sizeof(clientConnectRequst);i++)
{
sendBuf[i]=((char*)(&cliConReq))[i];
}
sendto(sockClient,sendBuf,SEND_TO_BALANCE_SERVER_BUFFER_SIZE,0,(SOCKADDR *)&balanceServerAddr,sizeof(balanceServerAddr));
//reconnect thread
SOCKET * reConnectSock = &sockClient;
HANDLE hThread5;
DWORD ThreadID5;
hThread5=CreateThread(NULL,0,reConnect,reConnectSock,0,&ThreadID5);
isConnect=0;
//listen
int len = sizeof(SOCKADDR);
char recBuff[RECEIVE_FROM_BALANCE_SERVER_BUFFER_SIZE];
while(isConnect!=1)
{
memset(recBuff,0,RECEIVE_FROM_BALANCE_SERVER_BUFFER_SIZE);
recvfrom(sockClient,recBuff,sizeof(recBuff),0,(SOCKADDR *)&addrSrv,&len);
//receive ok serge
//cout<<" receive data\n";
ServerInfoBlock * pServerBlock;
pServerBlock =((ServerInfoBlock *)recBuff);
if((*pServerBlock).flag==FLAG_SERVER_INFO)
{
isConnect=1;
if (pServerBlock->server_id<0)
{
//std::cout << "no server avalible now\n";
// cin.get();
//调整为默认频道
channel = 1;
cameraID = 1;
connectToBalanceServer();
return;
//exit(0);
}
serverFromBalance=ServerInfo(*pServerBlock);
//tempServer.showInfo();
//std::cout<<"the server ID is : "<<serverFromBalance.getServerID()<<std::endl;
}
else
{
//std::cout<<"recieve error server info\n";
}
}
//printf("the %s says: %s \n",inet_ntoa(addrClient.sin_addr),recBuff);
std::string temp =serverFromBalance.getServerPublicIP();
unsigned int i;
for(i=0;i<temp.length();i++)
{
ServIP[i]=temp[i];
}
ServIP[i]='\0';
/*
char aa[20]="192.168.1.109\0";
int i;
for(i=0;i<temp.length();i++)
{
ServIP[i]=aa[i];
}
ServIP[i]='\0';
*/
ServPort=serverFromBalance.getServerDataPort();
retranport=serverFromBalance.getServerRetransmitPort();
commandport=serverFromBalance.getServerCommandPort();
//cout<<"serverIP: "<<ServIP<<endl;
//cout<<"tranport: "<<ServPort<<endl;
//cout<<"retranport: "<<retranport<<endl;
//cout<<"commandport: "<<commandport<<endl;
}